00891naa#a2200205#i#450# EN\\bibl\109653 20260207012844.6 1994-4683 20250913b2025####ek#y0engy0150####ca RU Analysis of parameters of competitive exercise performance by highly qualified Russian and foreign ski jumpers in the preparatory and competitive periods Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 5 с. Journal article local Прыжки на лыжах с трамплина. Специальные прыжки. 796.925 Kryuchkov Andrey Sergeevich Fendel' Tat'yana Vladimirovna Velkov Aleksandr Aleksandrovich Barinov Mihail Viktorovich uchzapiski.lesgaft.spb.ru